The construction of the wonderful canon of logarithms

THE
CONSTRUCTION OF THE
WONDERFUL CANON OF
LOGARITHMS;
And their relations to their own natural numbers
;
An Appendix as to the making of another
and better kind of Logarithms.
TO WHICH ARE ADDED
Propositions for the solution of Spherical Triangles by an
easier method: with Notes on them and on the above-mentioned
Appendix by the learned Henry Briggs.
By the Author and Inventor, John Napier, Baron of
Merchiston, &c., in Scotland.
Printed by Andrew Hart,
OF EDINBURGH;
IN THE Year of our Lord, 1619.
Translatedfrom Latin into English by William Rae Macdonald,